sam
6e0afb6f37
* Put the random and Bayer stock image generation into pipi/render/*.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2765 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
645169e3b1
* Add the "halftone" dithering method, which uses classical halftone (aka.
clustered ordered dither). Halftoning levels aren't terribly well
supported yet, though.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2761 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
44c9b8e15d
* Get rid of the specific error diffusion functions, since our stock kernels
work perfectly well.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2759 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
90c7527281
* Add pipi_dither_ediff(), a generic error diffusion dithering algorithm
that uses an image as the error diffusion kernel.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2758 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
e38943a327
* rgb.c: implement pipi_rgb(), to combine three RGB channels.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2753 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
b40fc1b330
* atkinson.c: implement Atkinson dithering.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2751 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
2da45f954b
* Implement pipi_vflip() and pipi_hflip().
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2749 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
31fec9b526
* Add pipi_dilate() / pipi_erode() and --dilate / --erode.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2746 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
d9f3b654bc
* median.c: add a median filter. Highly unoptimised for now.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2744 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
baa3d82e4b
* Move the palette reduction algorithm into pipi_reduce().
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2736 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
18e1cc4471
* Add pipi_invert() to invert an image's colours.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2718 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
48b881b6fa
* Add pipi_tile, to create image mosaics.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2717 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
b74fad466b
* Implement difference, multiply, divide, screen and overlay blend methods.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2711 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
da84205cde
* subadd.c: add pipi_sub() and pipi_add() as another way to combine two
images.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2708 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
6fb5354eff
* minmax.c: add pipi_min() and pipi_max() as another way to combine two
images.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2706 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
9bd6b555f9
* mean.c: implement pipi_mean() to compute a mean image.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2705 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
ec187df115
* convolution_template.h: split convolution routines into separate functions
for each pixel format.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2701 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
25cdf35a86
* jajuni.c: add Jarvis-Judice-Ninke dithering. It's a Floyd-Steinberg-like
error diffusion method that has fewer high resolution structural artifacts
at the expense of resolution.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2700 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
3014994c61
* codec.c: support for stock images in pipi_load().
* stock.c: start working on stock image generation; for instance:
pipi pipi:bayer64 -o image.png
will generate a 64x64 Bayer dithering pattern and save it to image.png.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2695 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
0f3943d0fe
* Add functions that handle a stack-based processing queue.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2692 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
b7c2d1f847
* autocontrast.c: simple autocontrast filter; does not work very well.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2680 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
c269c219b2
* Get rid of test.c, it was no longer useful anyway.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2679 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
jylam
290e151913
* First shot of a floodfiller (both u32 and float, 4 neighbours)
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2676 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
0eda956bfc
* random.c: implement random dithering using a deterministic pseudo-RNG.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2671 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
6a3309663e
* ordered.c: implement Bayer dithering (pretty trivial).
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2665 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
89f35cb8fd
* convolution.c: generic convolution method. Does not take advantage of
separable kernels yet.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2658 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
302ce37f8e
* ostromoukhov.c: Ostromoukhov's simple error diffusion algorithm.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2654 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
628c2618da
* dbs.c: new dithering function: Direct Binary Search. One of the best
dithering methods as of today, though extremely slow.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2651 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
1408cff41d
* Add Floyd-Steinberg grayscale dithering.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2637 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
9a536afd4f
* measure.c: started writing error/measure functions. First one is RMSD.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2635 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
732f6b2335
* configure.ac: fix the OpenCV detection by using pkg-config.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2628 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
7d147f3576
* Test implementation of Gaussian blurring. It's awfully slow and does not
use the separation property, but it's just for a test.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2603 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
1d6c2c507d
* Implemented 24 -> 16 bpp dithering.
* Added the --bpp flag to genethumb.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2263 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
735b2a5da0
* Checking in an old Rubik's cube dithering test.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2262 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
6a86e2b643
* Split the image loaders into sdl.c, imlib.c and opencv.c. We'll do
something far better, but later.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2261 92316355-f0b4-4df1-b90c-862c8a59935f
před 16 roky
sam
84cc96a98e
* Starting image resizing. X-wise resize works so far.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2244 92316355-f0b4-4df1-b90c-862c8a59935f
před 17 roky
sam
53aa513e3e
* Import image loading features from PWNtcha. As they are more than 4-year
old, they will certainly require some cleanup, eg. pkg-config transitions.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2228 92316355-f0b4-4df1-b90c-862c8a59935f
před 17 roky
sam
08e83cb836
* Initial code skeleton.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2227 92316355-f0b4-4df1-b90c-862c8a59935f
před 17 roky